DS537 Datasheet, PDF (99/148 Pages) Xilinx, Inc – LogiCORE IP XPS LL TEMAC

LogiCORE IP XPS LL TEMAC (v2.03a)
Table 66 shows the Hard TEMAC Internal 1000BASE-X PCS/PMA Management Auto negotiation Link Partner
Ability Base Register bit definitions.
Table 66: 1000BASE-X Management Auto negotiation Link Partner Ability Base Register (Register 5) Bit
Definitions
Bit(s)
Name
Core
Access
Reset
Value
Description
15
Next Page
Read
0
0 - next page functionality is not supported
1 - next page functionality is supported
14 Acknowledge Read
0
Used by the auto negotiation function to indicate reception of a link partner’s
base or next page.
12 - 13 Remote Fault Read/
00 - no error
0x0
01 - offline
10 - link failure
11 - auto negotiation error
9 - 11 Reserved Returns 0s 0x0 Always return zeros.
7-8
Pause
Read
00 - no pause
0x
01 - asymmetric pause supported
10 - symmetric pause supported
11 - both symmetric pause and asymmetric pause supported
6
Half Duplex
Read
0 - half duplex mode is not supported
0 1 - half duplex mode is supported
5
0-4
Full Duplex
Read/
Reserved Returns 0s
0
0 - full duplex mode is not supported
1 - full duplex mode is supported
0x0 Always return zeros.
Table 67 shows the Hard TEMAC Internal 1000BASE-X PCS/PMA Management Auto negotiation Expansion
Register bit definitions.
Table 67: 1000BASE-X Management Auto Negotiation Expansion Register (Register 6) Bit Definitions
Bit(s)
Name
Core Access
Reset
Value
Description
3 - 15
Reserved
Returns 0s
0x0 Always return zeros.
2 Next Page Able
Returns 1
1 Always returns a 1 for this bit because the device is Next Page Able.
1
Page Received
Read self
clearing on read
0 - a new page is not received
0
1 - a new page is received
0
Reserved
Returns 0s
0 Always return zeros.
Table 68 shows the Hard TEMAC Internal 1000BASE-X PCS/PMA Management Auto Negotiation Next Page
Transmit Register bit definitions.
Table 68: 1000BASE-X Management Auto Negotiation Next Page Transmit Register (Register 7) Bit
Definitions
Bit(s)
Name
Core
Access
Reset Value
Description
15 ^{Next Page}
Read/Write
0
0 - last page
1 - additional next page(s) will follow
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